Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 16:28:15

Orbital Elements for SEE13
WDS: SEE13 WDS ID/Discoverer
P: 1530.340 Orbital period (years)
a: 2.021 Semi-major axis (arcseconds)
i: 67.2 Inclination (degrees)
Ω: 207.0 Longitude of ascending node (degrees)
T: 1846.510 Epoch of periastron passage (year)
e: 0.9 Eccentricity
ω: 148.1 Longitude of periastron (degrees)
Start-Year: 1260.0 Year
End-Year: 2790.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SEE13
Position: 012146.64-240741.0 Epoch-2000 right ascension and declination
WDS-ID: 01218-2408 WDS designation
Discoverer Code: SEE13 Discover designation and components
ADS number: 1102 Aitken Double Star catalog
HD number: 8281 HD catalog number
Hipparcos number: 6367 Hipparcos catalog number
V1: 8.89 Magnitude of the primary
V2: 9.29 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1991 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for SEE13



WDS 6th Orbit including measures of SEE13

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of SEE13
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.368    176.9
-------------------------
1260.0     3.370    196.0
1270.0     3.363    196.1
1280.0     3.355    196.3
1290.0     3.346    196.4
1300.0     3.336    196.5
1310.0     3.325    196.7
1320.0     3.313    196.8
1330.0     3.300    197.0
1340.0     3.287    197.1
1350.0     3.272    197.3
1360.0     3.256    197.4
1370.0     3.239    197.6
1380.0     3.221    197.8
1390.0     3.202    197.9
1400.0     3.182    198.1
1410.0     3.161    198.2
1420.0     3.139    198.4
1430.0     3.115    198.6
1440.0     3.090    198.7
1450.0     3.065    198.9
1460.0     3.037    199.1
1470.0     3.009    199.3
1480.0     2.979    199.4
1490.0     2.948    199.6
1500.0     2.916    199.8
1510.0     2.882    200.0
1520.0     2.847    200.2
1530.0     2.810    200.4
1540.0     2.772    200.6
1550.0     2.732    200.8
1560.0     2.691    201.0
1570.0     2.648    201.3
1580.0     2.603    201.5
1590.0     2.556    201.8
1600.0     2.507    202.0
1610.0     2.456    202.3
1620.0     2.403    202.5
1630.0     2.348    202.8
1640.0     2.290    203.1
1650.0     2.230    203.4
1660.0     2.167    203.8
1670.0     2.102    204.1
1680.0     2.034    204.5
1690.0     1.962    204.9
1700.0     1.887    205.4
1710.0     1.808    205.8
1720.0     1.725    206.4
1730.0     1.637    206.9
1740.0     1.544    207.6
1750.0     1.446    208.3
1760.0     1.342    209.1
1770.0     1.230    210.1
1780.0     1.109    211.3
1790.0     0.978    212.8
1800.0     0.835    214.8
1810.0     0.676    217.7
1820.0     0.495    222.5
1830.0     0.288    233.7
1840.0     0.100    301.2
1850.0     0.220     27.7
1860.0     0.240     56.6
1870.0     0.238     85.5
1880.0     0.270    111.4
1890.0     0.331    129.8
1900.0     0.407    141.9
1910.0     0.489    150.1
1920.0     0.573    155.9
1930.0     0.657    160.2
1940.0     0.739    163.5
1950.0     0.820    166.2
1960.0     0.899    168.4
1970.0     0.976    170.2
1980.0     1.052    171.8
1990.0     1.125    173.2
2000.0     1.197    174.4
2010.0     1.267    175.5
2020.0     1.335    176.4
2030.0     1.401    177.3
2040.0     1.466    178.1
2050.0     1.529    178.8
2060.0     1.590    179.5
2070.0     1.651    180.1
2080.0     1.709    180.7
2090.0     1.767    181.2
2100.0     1.823    181.7
2110.0     1.877    182.2
2120.0     1.931    182.6
2130.0     1.983    183.1
2140.0     2.034    183.5
2150.0     2.084    183.8
2160.0     2.132    184.2
2170.0     2.180    184.6
2180.0     2.226    184.9
2190.0     2.271    185.2
2200.0     2.315    185.5
2210.0     2.359    185.8
2220.0     2.401    186.1
2230.0     2.442    186.4
2240.0     2.482    186.6
2250.0     2.521    186.9
2260.0     2.559    187.2
2270.0     2.596    187.4
2280.0     2.633    187.6
2290.0     2.668    187.9
2300.0     2.703    188.1
2310.0     2.736    188.3
2320.0     2.769    188.5
2330.0     2.800    188.7
2340.0     2.831    188.9
2350.0     2.861    189.1
2360.0     2.890    189.3
2370.0     2.919    189.5
2380.0     2.946    189.7
2390.0     2.973    189.9
2400.0     2.998    190.1
2410.0     3.023    190.3
2420.0     3.047    190.4
2430.0     3.071    190.6
2440.0     3.093    190.8
2450.0     3.115    191.0
2460.0     3.136    191.1
2470.0     3.156    191.3
2480.0     3.175    191.4
2490.0     3.193    191.6
2500.0     3.211    191.8
2510.0     3.228    191.9
2520.0     3.244    192.1
2530.0     3.259    192.2
2540.0     3.273    192.4
2550.0     3.287    192.5
2560.0     3.300    192.7
2570.0     3.312    192.8
2580.0     3.323    193.0
2590.0     3.334    193.1
2600.0     3.343    193.3
2610.0     3.352    193.4
2620.0     3.360    193.6
2630.0     3.367    193.7
2640.0     3.374    193.8
2650.0     3.379    194.0
2660.0     3.384    194.1
2670.0     3.388    194.3
2680.0     3.391    194.4
2690.0     3.394    194.6
2700.0     3.395    194.7
2710.0     3.396    194.8
2720.0     3.396    195.0
2730.0     3.395    195.1
2740.0     3.393    195.3
2750.0     3.390    195.4
2760.0     3.387    195.5
2770.0     3.382    195.7
2780.0     3.377    195.8



 

Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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